18615129

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 28089600

約数和(自身を除く): 9474471

約数列:

[1, 3, 13, 29, 39, 87, 109, 151, 327, 377, 453, 1131, 1417, 1963, 3161, 4251, 4379, 5889, 9483, 13137, 16459, 41093, 49377, 56927, 123279, 170781, 213967, 477311, 641901, 1431933, 6205043, 18615129]

約数ペア:

[(1, 18615129), (3, 6205043), (13, 1431933), (29, 641901), (39, 477311), (87, 213967), (109, 170781), (151, 123279), (327, 56927), (377, 49377), (453, 41093), (1131, 16459), (1417, 13137), (1963, 9483), (3161, 5889), (4251, 4379)]